20 OD IRIS

1 pc Iris Diaphragm

(made of copper / aluminum)

　

these are high quality item, usually used in camera or projection lenses, can also be used with some mount adapters for adjusting the aperture.

 

 

outside diameter: appro 20mm

thickness: appro 5mm

Max. aperture diameter: appro 12.5mm

min. aperture diameter: appro 1mm

Adjustment lever protrudes appro 10mm from the housing

　

 

　

　

　

　

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